From c89ab1c81883abed14be7f7daaac80926da5b65d Mon Sep 17 00:00:00 2001
From: Mathieu <mathieu.fort@gmail.com>
Date: Mon, 8 Jun 2026 23:56:22 +0200
Subject: [PATCH] feat: lire tous les onglets Google Sheets (un onglet par
 famille de produits)

---
 src/lib/googleSheets.ts | 34 ++++++++++++++++++++++++++++------
 1 file changed, 28 insertions(+), 6 deletions(-)

diff --git a/src/lib/googleSheets.ts b/src/lib/googleSheets.ts
index 40d89fe..57879e1 100644
--- a/src/lib/googleSheets.ts
+++ b/src/lib/googleSheets.ts
@@ -36,27 +36,49 @@ export function parseSheetRows(rows: string[][]): SyncProduct[] {
 
 /**
  * Lit tous les produits depuis Google Sheets via l'API v4 (API Key publique).
+ * Si GOOGLE_SHEETS_TAB est défini, lit uniquement cet onglet.
+ * Sinon, lit tous les onglets du fichier et combine les produits.
  * Le fichier Sheets doit être partagé en lecture ("Toute personne avec le lien").
  */
 export async function readSheetProducts(): Promise<SyncProduct[]> {
   const apiKey = process.env.GOOGLE_API_KEY
   const sheetId = process.env.GOOGLE_SHEETS_ID
-  const sheetName = process.env.GOOGLE_SHEETS_TAB ?? 'MATRICE'
+  const singleTab = process.env.GOOGLE_SHEETS_TAB
 
   if (!apiKey || !sheetId) {
     throw new Error('Variables GOOGLE_API_KEY et GOOGLE_SHEETS_ID requises')
   }
 
-  const range = encodeURIComponent(`${sheetName}!A2:F`)
-  const url = `https://sheets.googleapis.com/v4/spreadsheets/${sheetId}/values/${range}?key=${apiKey}`
+  const sheetNames = singleTab ? [singleTab] : await listSheetTabs(sheetId, apiKey)
 
+  const results = await Promise.all(
+    sheetNames.map((name) => readOneTab(sheetId, apiKey, name)),
+  )
+
+  return results.flat()
+}
+
+async function listSheetTabs(sheetId: string, apiKey: string): Promise<string[]> {
+  const url = `https://sheets.googleapis.com/v4/spreadsheets/${sheetId}?key=${apiKey}&fields=sheets.properties.title`
   const res = await fetch(url)
   if (!res.ok) {
     const err = await res.text()
     throw new Error(`Google Sheets API error: ${res.status} — ${err}`)
   }
-
   const data = await res.json()
-  const rows = (data.values ?? []) as string[][]
-  return parseSheetRows(rows)
+  return (data.sheets as Array<{ properties: { title: string } }>).map(
+    (s) => s.properties.title,
+  )
+}
+
+async function readOneTab(sheetId: string, apiKey: string, sheetName: string): Promise<SyncProduct[]> {
+  const range = encodeURIComponent(`${sheetName}!A2:F`)
+  const url = `https://sheets.googleapis.com/v4/spreadsheets/${sheetId}/values/${range}?key=${apiKey}`
+  const res = await fetch(url)
+  if (!res.ok) {
+    const err = await res.text()
+    throw new Error(`Google Sheets API error (onglet "${sheetName}"): ${res.status} — ${err}`)
+  }
+  const data = await res.json()
+  return parseSheetRows((data.values ?? []) as string[][])
 }